Nominees for Album of the Year, Best Rock Performance, Best Rock Song and Best Americana Album Mumford & Sons arrive on the red carpet at the Staples Center for the 55th Grammy Awards in Los Angeles, California, February 10, 2013. (credit: Frederic J. Brown/AFP/Getty Images)

US-MUSIC-GRAMMY AWARDS-ARRIVALS

Nominee for Best R&B Song and Best R&B Album Tamia arrives at the Staples Center for the 55th Grammy Awards in Los Angeles, California, February 10, 2013. (credit: Frederic J. Brown/AFP/Getty Images)

The 55th Annual GRAMMY Awards - Arrivals

Musician John Paul White of The Civil Wars arrives at the 55th Annual GRAMMY Awards at Staples Center on February 10, 2013 in Los Angeles, California. (credit: Jason Merritt/Getty Images)

Nominee for Best Gospel/Contemporary Christian Music Performance and Best Gospel Song Mary Mary arrives at the Staples Center for the 55th Grammy Awards in Los Angeles, California, February 10, 2013. (credit: Frederic J. Brown/AFP/Getty Images)